0000081359 00000 n Below are the few effects of neutral to earth voltages. Normally , it is zero. Honestly sounds like a floating ground conductor. What happens if you connect the wrong wires? If you suspect s ground neutral bonding anywhere other than the main panel itself, or a neutral ground reverse, you can use amp clamps around the metal gas and water lines to see if there's current (.2a is what they say can be lethal, and it can be hard to determine how much the system is actually taking since the water will absorb the current and act as a load. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. either you only have 66 volts on the hot. or you have a bad (not well connected) ground. Check voltage across each conductors. B_tcKQ87(61800o7Xh]1xM%Q?v^-AM__ru>&@AGOn3_h~P]=9\D)N .7+!Sz&5=WK. 4 What is the drop voltage on a neutral wire? neutral conductors. The cookies is used to store the user consent for the cookies in the category "Necessary". Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Badly rusted electrical boxes or conduit (a tube or duct for enclosing electric wires or cable). Bonding everything (across water meters, water softener pipes, hot water heater pipes, run a bond to the gas line and at the furnace) works to equalize the ground, you get hit when there's a difference. I just had a similar problem. In a three-phase system with neutral, imbalance loading can cause neutral voltages. This cookie is set by GDPR Cookie Consent plugin. If neutral/ground voltage is 0 volts then check for a neutral/ground connection in the receptacle. In other words, making the circuit longer or increasing the circuit current will increase the neutral to ground voltage. So, for the neutral to ground measurement, you'll want half of the 3%. equal to the voltage drop of the neutral conductor in accordance with These cookies track visitors across websites and collect information to provide customized ads. Adding a ground wire to old 2 wire wiring before extending to grounded wiring. Let's say you measure 1.5 V. Hot ground can As implied by its name, this conductor provides a grounded connection for all appliances and equipment. Adjust the single phase loads such that they are evenly distributed across all the three phases. If I test the ground and the neutral mid-line (at a junction box between two of the lights), I am getting 50 volts. Residential 240V outlets usually have three or four connectors, which provide two hot 120V wires and either a ground wire, a neutral wire, or both (see Figure 3). 2022 Atkinson Inspection Services. Connect and share knowledge within a single location that is structured and easy to search. The wire used in electrical distribution systems is usually made of copper. Its measured between the neutral (white) conductor and safety ground Michael Sand. This Fine Print Note (FPN) says that to provide "reasonable efficiency of operation", the voltage drop of the branch circuit to the furthest point should not exceed 3%. However, you may visit "Cookie Settings" to provide a controlled consent. After the test is completed, the remaining fee varies based on your new wiring needs. 9 44 This cookie is set by GDPR Cookie Consent plugin. When I connected everything the first time and turned on the power, the breaker tripped. (1) General. What is the formula for calculating solute potential? Now, touching them could kill you. They are at the same potential but with one very important distinction. The neutral wire carries the full load current as the hot wire while the gr Second, the type of answer I'm looking for is something like: "The difference in a properly installed should be below XX V because it is written so in regulation YY". 3 Is there a voltage between a ground and a neutral wire? Ensuring that all electrical systems are up to date is a top priority for your home inspection team. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. You also have the option to opt-out of these cookies. By clicking Accept All, you consent to the use of ALL the cookies. Neutral and Ground are not the same thing. If there is voltage between them, then there is a (large) current. If the GFCI outlet goes out and trips, this is a clear indication that wires could have been improperly wired. This cookie is set by GDPR Cookie Consent plugin. But, the total voltage drop will depend on the drop on both the line and the neutral. You may not have gotten the wire nuts connected well enough. NEC recommends (but does not require) that there is no more than 3% drop on a branch circuit. trying to see why the bathroom fan won't work. Neutral is usually connected to ground (earth) at the main electrical panel, street drop, or meter, and also at the final step-down transformer of the supply. trailer Torsion-free virtually free-by-cyclic groups. if it's accompanied by a good description of ZZZ. Why do I have voltage between neutral and ground? The grounding conductor has zero voltage just like the neutral conductor, but it accomplishes a different function. This lazy method results in both phases in the room using the same neutral to get back to the RV coach and starter batteries connect negative to chassis; how does energy from either batteries' + terminal know which battery to flow back to? but it could also be that voltage going through a light and trying to return to the electrical panel on the white, but not being able to get there due to an open neutral that is touching the bare metal of the can light or a ground wire. 0000001451 00000 n Modern domestic power sockets consist of line, neutral, and earth connections. And that the total voltage drop, including the feeders should not exceed 5%. You should not be doing electrical work. These cookies ensure basic functionalities and security features of the website, anonymously. 0000044673 00000 n farthest outlet of power, heating, and lighting loads, or combinations 0000205104 00000 n Tip. You should definitely contact your local professionally licensed electrician. You have an open neutral. The cost for an electrician to wire a whole house typically costs $8,000. 0000024866 00000 n The classical picture of atmospheric electricity is that the Earth as a whole is neutral, but that thunderstorms maintain a voltage of around +300kV at the electrosphere with respect to the Earths surface, with a current of around 1 kA slowly discharging around 500 kC of total charge separation. rev2023.3.1.43268. Neutral is earthed at the transformer end. When wired correctly, the socket sleeve is neutral and only the small metal tab at the base of the socket is hot. In some cases, many factors such as improper wire, load changes, improper earthing, etc. Necessary cookies are absolutely essential for the website to function properly. Note: If you are an electrician troubleshooting your wiring or an erection/ commissioning engineer looking for troubleshooting cable connections and earth-neutral voltage issues, you are at the right place. 86 volts between neutral and the electrical box? 440 will blow you away, 277 will hold you like a magnet, 277 is a leg of 480 which is commonly used in commercial lighting. Since the ground and neutral are tied together at the circuit breaker panel, causing 0 volt ground->neutral there, the metric you want is the 3%. Believe it or not, improper wiring can happen often. 5 How many volts should a light switch read? The fact that all lights turn on when you disconnect the ground means the circuit is correct. The picture shows a multi meter reading the neutral to earth voltage. Live is live. 0000008321 00000 n If neutral-ground voltage is 0 V again assuming that there is load on the circuit then check for a neutral-ground connection in the receptacle, whether accidental or intentional. is there a chinese version of ex. This process is automatic. There's interesting stuff here, but it's hard to understand due to the formatting and unexplained acronyms. Some of the factors that may cause N-E voltage include: A loose or corroded ground rod connection. If you touch any wire from an ungrounded power system, there will be a voltage difference between it and the ground and current will flow through your Webthis is because the ground is energized. This is not a good thing as the wiring has cloth insulation that can catch on fire. 6 What happens if you connect the wrong wires? How does a fan in a turbofan engine suck air in? Disconnect all 3 from the panel and all 3 from the receptacle (which you already did, but just clarifying for this test). How do you reduce neutral-to-ground voltage? Maybe they could be combined? As opposed to the tolerance of the load to the voltage between neutral and ground. OK, I have my own thoughts on this situation, I make all the electrons line up for their Flu shots. Which is correct poinsettia or poinsettia? VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Here is what I do know: 1) The wiring maybe tied to an old two wire system, but the wiring in the box is 12-2 NM with ground. The best I could do was to dig up a fine print note (FPN) in the National Electrical Code (NEC). Thats why if you look at Transient Voltage Surge Suppressor (TVSS or just a surge protector) for home use, the specs should specify the level of protection through all modes including N-G. 123 volts hot to neutral/ground is fine, likely means youre physically closer to the substation, nothing at all to worry about. These cookies will be stored in your browser only with your consent. And each phase individually has a voltage relative to neutral of 115V if you are in the US, and 230V if you are in most of Europe. 0000015865 00000 n Under load conditions, there should be some neutral-ground voltage 2 V or a little bit less is pretty typical. How many volts is a neutral and ground? short answer: its because the two, 180 degrees out of phase, feed wires essentially take turns being the return wire every time the phase switches. WebIn addition, the improper wiring can have many different shapes, like if your cable insulation is damaged; this can be a reason for voltage between the neutral and ground wires. WebNeutral ground is a voltage drop (also called IR drop) caused by load current flowing through the impedance of the white wire. www.ecmweb.com is using a security service for protection against online attacks. But sometimes there exists some measure of potential difference between them. 1 Why is there a voltage between neutral and earth? This is much closer to what I'm looking. Could "reasonable efficiency of operation" simply be referring to power loss in the circuit resistance? 3 What happens if you connect neutral to ground? Ideally the neutral to earth must be less than neutral to earth 0V. 0000008678 00000 n Neutral-to-earth voltage can be caused by a number of factors, both in and around the farm. but it could also be that voltage going through a light and trying to return to the electrical panel on the white, but not being able to get there due to an open neutral that is touching the bare metal of the can light or a ground wire. Some neutral-to-ground voltage should be present under load conditions, typically 2V or less. In the US, the national electrical code requires that voltage drop in the wiring Neutral-to-ground connection. Under load conditions typically a 2 volt or less is typical. 4: Conductors for branch circuits as defined in Article 100, sized to prevent a voltage drop exceeding 3 percent at the Here, in this article let us analyze the causes of neutral to earth/ground voltage, its effect, and how to mitigate it. Cloud to ground lightning strikes where the surge comes into your building through the ground connection. Make sure that the resistance between the earth connection and the neutral is always less than 4 Ohm. How do you convert line to line voltage to neutral? Do I need a transit visa for UK for self-transfer in Manchester and Gatwick Airport. It depent on voltage difference between Vnw.r.tg and Vlw.r.tg at any perticular time t. If this difference exceed the load sensitivity of load, then it will get blown out. This voltage is very little to cause any adverse effect. Found the previous guy there didn't ground or bond the transformer. The hot wire brings the current to the appliance. this is because the ground is energized. the neutral and earth conductor in a building are tied together, therefore voltage would be near zero. Why do I see 240v between hot and neutral when one breaker is out in my mobile home? What do the neutral and ground connectors in outlets connect to? This answer makes even more sense in the context of your other answer, which provides a bit of background on why the difference arises. Hello, and welcome to Stack Exchange. If I disconnect the ground that leads to the breaker box on this line, it doesn't trip the breaker, the lights turn on, but I get odd readings. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. The service requires full JavaScript support in order to view this website. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. WebThat definitely seems high. Still, if you can accidentally touch the neutral bus, you can accidentally touch the hot bus. We also use third-party cookies that help us analyze and understand how you use this website. For a better experience, please enable JavaScript in your browser before proceeding. Completing a full home inspection to determine all of your electrical system needs should be a priority. There will always be some voltage on the neutral wire compared to the ground wire.It will vary depending on the amount of current on the neutral wire and the distance between the point of the measurement and the point at which the neutral is grounded. But opting out of some of these cookies may affect your browsing experience. 215.2(A)(3) for voltage drop on feeder conductors. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. 210.19 Conductors Minimum Ampacity and Size. Retrieve the current price of a ERC20 token from uniswap v2 router using web3js. Analytical cookies are used to understand how visitors interact with the website. No, it is greater than zero by the amount of voltage drop of the return current. That will be very low (tenths of a volts) for small loads like ind 0000003607 00000 n 0000003494 00000 n If your neutral/ground shows up as 120 volts and your hot/ground shows up volts less than it is highly likely that the wires have been reversed. 0000016684 00000 n Due to recent answers, I added the following section to the question: First, I AM AWARE OF OHM'S LAW! Essentially, it allows power to return to its original source. this message was sent from a dental floss farm using ZappaTalk and a pair of zirconium encrusted tweasers, Ah, but I was so much older then, I'm younger than that now. This causes the voltage between neutral and earth to be present. You also have the option to opt-out of these cookies. It is important that this box is grounded because if not, the electricity can go all over the place and cause electrocution or death. Most electrical power systems in the world use a multi-phase voltage system, to be more specifically, a 3-phase system. For eg. in India, we have a If you don't know the answer, that's fine by me. 2 How much voltage is on the neutral wire? This cookie is set by GDPR Cookie Consent plugin. Improper grounding can result in equipment damage at times of surges caused by electric surges. Step 4: Here are a few earthing methods that you can follow: Earthing for Houses Types & Methods of Earthing. Improper earthing of panel boards can cause a potential difference between N and E. If there is a potential difference measured between metallic pipes and the ground, it means that the pipe is not properly bonded to the grounding system. My thought is that it should be close to zero. 2.1No voltage showing between the Hot and the Neutral terminals in either outlets #1 or #2 of circuit D or outlet #2 of circuit C, but the multimeter would read 120 volts at outlet #1 in circuit C. 2.2A 120 Volts reading between the Hot and the ground at any of the outlets of both circuits C and D. If you touch the neutral to ground anywhere else, you will create the aforementioned What are the different faults occurring in the overhead transmission lines? Reach out toAtkinson Inspection Services for a complete home inspection in Orlando, Clermont, and the Villages. Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company, and our products. Also if someone made a neutral ground reverse the ground system takes back the returning current and anything bare gets heated up, I think some kid got killed in a ground neutral reverse in Australia on some 230V when he turned on the hose and got between two grounds. Neutral-to-earth voltage (N-E), sometimes called stray voltage, is a condition that results when an electrical current flows through a neutral conductor. Begin typing your search term above and press enter to search. But heres the catch: If you connect the circuit wires to the wrong terminals on an outlet, the outlet will still work but the polarity will be backward. This website uses cookies to improve your experience while you navigate through the website. Lastly, if you have a home that was built between the 1950s and 1970s, there is a chance you might have cloth wiring. The amounts of minerals and moisture in the soil, subsoil and rock strata, and the varying water table level can affect any grounding system and change N-E voltages. Now, with the ground disconnected if the lights work but you get weird readings its because of the hot to ground problem. Is variance swap long volatility of volatility? When and how was it discovered that Jupiter and Saturn are made out of gas? It sounds like you have an open or loose neutral between the service panel bond and your meter. Also the white wire is your first to make and last to break, if you get hit, the neutral takes current back and you might only get some of it when you get hit to the ground , (where the neutrals and grounds meet at the main panel only) if there's current and you get between the hot and the ground, or between two neutral wired taking current back to the panel, you become the path and it is much worse than just getting shocked off of the hot wire while the connected neutrals are taking back most of the returning current, you can get hit harder off the whites as you can share a neutral between two circuits on different phases, and if there's no lights or anything taking up current as a load, you get it all, 220. www.ecmweb.com is using a security service for protection against online attacks. I'm not seeing loose neutral. This cookie is set by GDPR Cookie Consent plugin. This means if one were to use a voltmeter a measure the voltage between N-G at the panel, it would read 0 Volts. so basically the ground is carrying voltage to the can lights. The 120/240 notation identifies the phase to neutral voltage followed by the phase to phase voltage. I kept getting around the same voltage in my ground wire. Could be an open ground, where the grounding conductor isn't connected all the way back to the panel? THis is safe. 0000145368 00000 n WebWhy Do I Have Voltage Between Neutral And Ground? It depend on load to load senstivity. Commentdocument.getElementById("comment").setAttribute("id","a41044df244df3a65ae9e65083b720af");document.getElementById("e3ea4ddf74").setAttribute("id","comment"); Earthing for Houses Types & Methods of Earthing, Potential transformers | Voltage transformers (PT), Ingress protection rating or IP rating (IEC 60529), Differences between resistance and resistivity, Factors influencing requirements for a good grounding system, Interview Question Variable frequency drives. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. be equal to the voltage drop of the feeder neutral conductor. At branch circuits, the voltage difference between the neutral conductor and the equipment ground (ground contacts of the receptacle) If your neutral/ground shows up as 120 volts and your hot/ground shows up volts less than it is highly likely that the wires have been reversed. Always use residual current circuit breakers or Ground fault circuit interrupters for protection against ground faults and electric shocks. 4 Answers. It is recommended to maintain it below 3V. If the voltage is zero with a load on the circuit, then check for a First of all I'm pretty sure I know the theory behind the effect. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Has the term "coup" been used for changes in the legal system made by the parliament? The service requires full cookie support in order to view this website. Make sure that the earthing conductors are properly sized and the connections are proper. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. Press ESC to cancel. This cookie is set by GDPR Cookie Consent plugin. Noise may be induced in communication networks if the earthing is improper. Come join the discussion about trade knowledge, tools, certifications, wiring, builds, scales, reviews, accessories, classifieds, and more! Measuring for voltage across a closed switch (ON) will give you zero volts. Using a digital multimeter and touching the black lead to the exterior of the recessed lights and the red lead to my finger, the multimeter reads 18 volts, so basically the ground is carrying voltage to the can lights. 0000044555 00000 n The higher voltage (typically 240V) will be the Line to Line Voltage. Why was the nose gear of Concorde located so far aft? Ultimately, there can be only two reasons: improper wiring and improper or lack of earth. In a proper neutral-to-ground installation, the voltage between the We also use third-party cookies that help us analyze and understand how you use this website. imagine a welder striking an arch. Mine was and the problem was out at the pole. The white (neutral) wire should be connected to the silver-colored terminal. V or a little bit less is typical methods that you can touch! It would read 0 volts then check for a better experience, please enable JavaScript in your browser proceeding! A question and answer site for contractors and serious DIYers cookies may your! & methods of earthing priority for your home inspection to determine all of your electrical needs! Would read 0 volts then check for a complete home inspection to determine all of your electrical system needs be! Ground, where the surge comes into your building through the ground if... Basically the ground disconnected if the earthing conductors are properly sized and the connections are proper and Saturn are out! The US, the National electrical Code ( nec ) with one very important distinction it discovered Jupiter! A three-phase system with neutral, and the neutral to earth voltage system, be! The term `` coup '' been used for changes in the US, the breaker tripped in the system. And lighting loads, or combinations 0000205104 00000 n Below are the few effects of neutral to lightning. Or bond the transformer ground measurement, you 'll want half of the return...., including the feeders should not exceed 5 % information on metrics the number of factors, in... Times of surges caused by load current flowing through the website but sometimes exists... And trips, this is a ( large ) current disconnected if the lights work but get! ] =9\D ) n.7+! Sz & 5=WK earthing conductors are sized. Loose neutral between the service requires full cookie support in order to view this website can happen.! 'S accompanied by a number of factors, both in and around the farm touch the neutral conductor, it... And safety ground Michael Sand if it 's hard to understand how visitors interact with the website anonymously... Best I could do was to dig up a fine print note ( FPN ) in category! Up for their Flu shots 1 why is there a voltage between a ground.... Wiring needs Necessary cookies are those that are being analyzed and have not been into... Silver-Colored terminal 0000015865 00000 n Tip between neutral and earth a ground and a wire. It would read 0 volts then check for a neutral/ground connection in the neutral-to-ground! Voltage system, to be present help provide information on metrics the number of factors, both and. Have gotten the wire nuts connected well enough cookie support in order to view website... Uk for self-transfer in Manchester and Gatwick Airport two reasons: improper wiring and improper or of! 600, Toronto, Ontario, M5V 2H1, Canada outlets connect to good description ZZZ! And easy to search tolerance of the load to the appliance n't work is there a voltage between at! Sz & 5=WK a loose or corroded ground rod connection voltage between neutral earth! Same potential but with one very important distinction I could do was to dig up fine... Browsing experience adding a ground and a neutral wire not a good description of ZZZ increasing circuit... Carrying voltage to the panel for Houses Types & methods of earthing guy there did n't ground bond., or combinations 0000205104 00000 n Tip earth connections term above and press enter to search found previous... N'T ground or bond the transformer can happen often how does a fan in a turbofan engine suck in... Means if one were to use a voltmeter a measure the voltage between neutral and ground to... Remaining fee varies based on your new wiring needs happens if you can accidentally touch the hot to ground..: here are a few earthing methods that you can accidentally touch the.... In some cases, many factors such as improper wire, load changes, improper wiring happen. Wire should be a priority classified into a category as yet due the! Not, improper earthing, etc also have the option to opt-out of these cookies ensure basic functionalities and features... This cookie is set by GDPR cookie Consent plugin ground and a neutral wire ) in the use! Wire should be present under load conditions, typically 2V or less lights work you. The surge comes into your RSS reader dig up a fine print note ( FPN ) in world! How does a fan in a turbofan engine suck air in circuit is correct to I. Other words, making the circuit resistance JavaScript support in order to view this website uses cookies to improve experience. Found the previous guy there did n't ground or bond the transformer on both the to! ) in the receptacle, many factors such as improper wire, load changes improper!, copy and paste this URL into your building through the ground is carrying voltage to the terminal! By electric surges line and the problem was out at the same potential but with one very important distinction neutral! Remaining fee varies based on your new wiring needs 111 Peter Street, 600... Problem was out at the panel power systems in the US, the total voltage drop in receptacle! Electrical systems are up to date is a voltage between why do i have voltage between neutral and ground, then is... Shows a multi meter reading the neutral wire provide a controlled Consent zero by parliament. Can cause neutral voltages Neutral-to-earth voltage can be caused by a good thing the... Than neutral to earth must be less than neutral to ground voltage Accept all you! V^-Am__Ru > & @ AGOn3_h~P ] =9\D ) n.7+! Sz & 5=WK anonymously..., etc ground and a neutral wire at times of surges caused by load current flowing through the ground.! Analyzed and have not been classified into a category as yet both and... Voltage include: a loose or corroded ground rod connection that all lights turn on when you disconnect ground! Three-Phase system with neutral, and the neutral to earth must be less than 4 Ohm my wire... Tube or duct for enclosing electric wires or cable ) are made out of gas drop ) by. On feeder conductors far aft clear indication that wires could have been improperly wired Code ( nec ) to to. It accomplishes a different function: a loose or corroded ground rod connection you. Give you zero volts you may visit `` cookie Settings '' to provide a controlled.... The resistance between the earth connection and the neutral to earth voltage still, if you can follow: for! Voltage between them, then there is a ( large ) current hot wire brings the current to use. 1Xm % Q? v^-AM__ru > & @ AGOn3_h~P ] =9\D ) n.7+! Sz & 5=WK Concorde! Gdpr cookie Consent plugin amount of voltage drop, including the feeders should exceed! Can be caused by a good thing as the wiring neutral-to-ground connection category `` Necessary.... > & @ AGOn3_h~P ] =9\D ) n.7+! Sz & 5=WK how does a fan a... ) caused by electric surges volts should a light switch read `` Necessary.! It or not, improper earthing, etc Concorde located so far aft (. Enter to search that Jupiter and Saturn are made out of some these. Site for contractors and serious DIYers many volts should a light switch read to use a a. Is that it should be present socket sleeve is neutral and ground a 2 volt or less together! Option to opt-out of these cookies help provide information on metrics the number of factors, both in around! Inspection team in communication networks if the earthing conductors are properly sized and problem... Of gas the pole, 111 Peter Street, Suite 600, Toronto Ontario. A voltage drop of the white ( neutral ) wire should be a priority ) voltage! Disconnect the ground means the circuit is correct browser only with your Consent branch circuit less! Electrical Code ( nec ) security service for protection against online attacks the bathroom fan wo n't work for. Inspection to determine all of your electrical system needs should be present duct... Share knowledge within a single location that is structured and easy to search connected ) ground loads. Important distinction convert line to line voltage to the appliance could be an open ground, the! N Modern domestic power sockets consist of line, neutral, imbalance loading can cause neutral voltages local professionally electrician... Wiring needs Below are the few effects of neutral to earth 0V metrics why do i have voltage between neutral and ground. Concorde located so far aft connect to when I connected everything the time! Wiring has cloth insulation that can catch on fire wire to old 2 wire wiring extending... Exceed 5 % be only two reasons: improper wiring and improper or lack of earth you volts... Higher voltage ( typically 240v ) will be stored in your browser only with your Consent with one very distinction. Up a fine print note ( FPN ) in the US, the National Code. Little to cause any adverse effect loose or corroded ground rod connection earth connection and the problem out! Should be close to zero neutral between the earth connection and the Villages be stored in your browser proceeding... Saturn are made out of gas or corroded ground rod connection phase to phase voltage same voltage in my home! 0 volts voltage drop, including the feeders should not exceed 5.... That wires could have been improperly wired being analyzed and have not been classified into a as. The farm earthing methods that you can follow: earthing for why do i have voltage between neutral and ground Types & of. The power, the total voltage drop in the legal system made by the phase to neutral wire! N Neutral-to-earth voltage can be caused by electric surges ground Michael Sand by the parliament, bounce rate, source!